Cometic C4555-040 MLS Cylinder Head Gasket Bore Honda - 89mm H23A1

The Cometic C4555-040 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Honda H23A1 engines. This precision-manufactured gasket features a .040" (1.02mm) compressed thickness and an 89mm bore diameter, providing an excellent balance of sealing reliability and performance enhancement.

Key Features:

• Multi-Layer Steel (MLS) construction for superior durability and reusability
• .040" compressed thickness allows for increased compression ratio and performance tuning
• 89mm bore diameter precisely matches H23A1 cylinder specifications
• Advanced coating technology ensures optimal sealing under extreme pressure and temperature
• Manufactured from high-grade stainless steel with elastomeric coating
• Resistant to blowout and leakage even in high-boost applications

Cometic MLS gaskets are the preferred choice for engine builders and performance enthusiasts, offering exceptional sealing characteristics that accommodate minor surface imperfections while maintaining compression integrity. The layered steel design allows for controlled movement between layers, absorbing thermal expansion and contraction that occurs during engine operation. This gasket is ideal for street, race, and forced induction applications where reliability is critical.